TABLE 1.
Baseline characteristics of The Interactive Diet and Activity Tracking in AARP (IDATA) study, the European Prospective Investigation into Cancer and Nutrition (EPIC)-Potsdam Validation and EPIC-Potsdam BMBF-II sub-study participants
| Study | IDATA (n = 996)1 | EPIC-Potsdam validation study (n = 134)2 | EPIC-Potsdam BMBF-II study (n = 725)3 |
|---|---|---|---|
| Participant characteristics | N (%) or mean ± SD | ||
| Age, (y) | |||
| Mean ± SD | 63.10 ± 6.0 | 55.24 ± 8.16 | 65.73 ± 8.29 |
| <50 | 0 (0%) | 7 (5.2%) | 17 (2.4%) |
| 50–59 | 319 (29.5%) | 27 (20.2%) | 206 (28.4%) |
| 60–69 | 582 (53.8%) | 56 (41.8%) | 235 (32.4%) |
| >70 | 181 (16.7%) | 44 (32.8) | 267 (36.8%) |
| Sex | |||
| Male | 541 (50%) | 75 (56%) | 372 (51%) |
| Female | 541 (50%) | 59 (44%) | 353 (49%) |
| BMI (kg/m2) | |||
| Mean ± SD | 27.66 ± 4.72 | 26.44 ± 4.05 | 27.39 ± 4.21 |
| <25 | 294 (27.7%) | 49 (36.6%) | 227 (31.3%) |
| 25 to <30 | 437 (41.1%) | 63 (47.0%) | 336 (46.3%) |
| 30 to <35 | 230 (21.7%) | 18 (13.4%) | 123 (17.0%) |
| 35+ | 101 (9.5%) | 4 (3.0%) | 39 (5.4%) |
| Caloric intake (kcal/d) | 2095 (745) | ||
BMBF-II Study, Federal Ministry of Education and Research (German: Bundesministerium für Bildung und Forschung); BMI, body mass index; EPIC-Potsdam, European Prospective Investigation into Cancer and Nutrition; IDATA, The Interactive Diet and Activity Tracking in AARP; SD, standard deviation.
A total of 6 recalls were completed by 797 of the IDATA participants; 75 people completed 5 recalls, 13 people completed 4 recalls, and 111 people completed between 1–3 recalls.
A total of 134 participants of the EPIC-Potsdam Validation study completed ≤12 recalls.
A total of 725 participants of the EPIC- Potsdam BMBF-II study completed 4 recalls.